Dagang Winter Jujube

Dagang Winter Jujube

Dagang Winter Jujube is a product with a geographical indication for agricultural products.

　　Dagang Winter Jujube is an elite variety cultivated and selected by agricultural technicians based on the local Cuizhuang Winter Jujube. It features a glossy, dark reddish skin with vibrant color, thin skin, crisp flesh, and excellent taste—large-sized with small pits, crispy, juicy, and pleasantly sweet and sour. The quality is outstanding, with an average fruit weight of 20 grams, surpassing most fresh fruits in key indicators, and has been hailed as the “King of Fruits” by many experts both at home and abroad.

　　After more than a decade of planned development, Dagang in Tianjin Binhai New Area has become an important winter jujube production base in northern China. Eight premium winter jujube gardens, five winter jujube sightseeing gardens, 30,000 mu of pollution-free production demonstration gardens, winter jujube beverages, and winter jujube stations have become the agricultural calling cards of the Dagang region, forming an integrated industrial model covering production, transportation, processing, and sales.

　　Geographical Scope

　　Dagang Winter Jujube is grown in the Dagang area of Tianjin Binhai New Area, located in the southeastern part of Tianjin, about 33 km from downtown Tianjin. Its coordinates are between 117°08′ to 117°34′ east longitude and 38°33′ to 38°57′ north latitude, at an elevation of 1.2 m to 3.5 m. It borders the Bohai Bay to the east, Huanghua City of Hebei Province to the south, Jinghai County of Tianjin to the west, and is bounded by Jinnan District and Xiqing District to the north. It is distributed across towns such as Zhongtang, Taiping, Xiaowangzhuang, Gangxi Street, and Gulin Street. The total planting area is 6,666.7 hectares, with an annual winter jujube yield of approximately 6,000 tons.

　　Product Quality Characteristics

　　1. External Sensory Features: The fruit is nearly round, with an average weight of 19.8 g, thin and deep brownish-red skin, and a smooth surface. The flesh is crisp, greenish-white, and very juicy. The pit is spindle-shaped and small. The flavor is richly sweet and sour, with an excellent taste and quality, making it ideal for fresh consumption.  2. Internal Quality Indicators: Dagang Winter Jujube is rich in vitamin C, dietary fiber, pectin, and trace elements such as iron and zinc.  3. Product Quality and Safety Standards: The growing environment and product quality of Dagang Winter Jujube meet the mandatory technical requirements of relevant national standards. They comply with regulations including the People's Republic of China National Food Hygiene Standard GB2762-81 "Standards for Mercury Allowance in Foods," GB5127 "Standards for Residue Allowance of Dichlorvos, Dimethoate, Malathion, and Parathion in Foods," GB4788-84 "Hygienic Standards for Residue of Phorate, Fenitrothion, and Permethrin in Foods," GB4810-84 "Standards for Total Arsenic Allowance in Foods," GB4809-84 "Standards for Fluorine Allowance in Foods," as well as national standards GB18740-2002, NY5252-2004 for pollution-free Dagang Winter Jujube, among others.